CN103818352A - Comprehensive car burglar alarm - Google Patents
Comprehensive car burglar alarm Download PDFInfo
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- CN103818352A CN103818352A CN201410024716.5A CN201410024716A CN103818352A CN 103818352 A CN103818352 A CN 103818352A CN 201410024716 A CN201410024716 A CN 201410024716A CN 103818352 A CN103818352 A CN 103818352A
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Abstract
The invention relates to a comprehensive car burglar alarm connected with a car lock switch. The comprehensive car burglar alarm comprises a fingerprint extracting module, a remote control password transmitter module, a remote control password receiving module, a key module, a relay module, a storage, a single-chip microcomputer and a power voltage stabilizing module used for supplying power to the burglar alarm. The fingerprint extracting module, the key module, the storage and the remote control password receiving module are connected with the single-chip microcomputer in data respectively, the remote control password transmitter module is connected with the remote control password receiving module in wireless signals, and the relay module is connected with the single-chip microcomputer in a controlled manner. The burglar alarm is high in anti-theft capacity and exclusiveness and has multiple emergency activating schemes, so that cars can be started successfully in various limiting cases.
Description
Technical field
The present invention relates to a kind of car alarm, be specifically related to a kind of car alarm with fingerprint anti-theft and emergency cryptosystem anti-theft feature.
Background technology
Along with the raising of people's living standard, the vehicle of this top grade of automobile are had by plurality family, and the anti-theft of automobile, specificity also become the problem that people pay close attention to, particularly hand over rule more and more stricter now, people worry to exceed the speed limit everywhere, make a dash across the red light etc. by deduction of points behavior, therefore each car owner takes notice of the anti-theft of automobile very much, particularly the individual specificity to automobile.
The kind of current existing anti-joyride device mainly contains:
1, mechanical type: this class Car Burglar Alarm is mainly the mechanical positions such as lock automatic clutch brake, wheel, bearing circle, gear, the low modest but whole anti-joyride device heaviness of this anti-joyride device price, and key is easily replicated, and the anti-theft of automobile and individual specificity are poor.
2, distance type: this class Car Burglar Alarm is widely used in numerous low and middle-grade automobiles, is mainly by high-frequency circuit, automobile to be controlled, and sets up defences to loving car by remote controller, allows and likes that car is at the illegal alarm of opening.This class anti-theft system has overcome the shortcoming of upper a kind of Car Burglar Alarm, but still exists easily by outside electromagnetic interference and phenomenon that cannot car locking, and the individual specificity of automobile is also poor, as long as take automobile remote controllers, anyone can start automobile.
3, finger-print type: this class Car Burglar Alarm is a kind of Car Burglar Alarm by microcomputerized control, in advance gather and preserve car owner's finger print data by fingerprint acquisition instrument, and verify legal car owner's identity by algorithm for recognizing fingerprint accurately and reliably, only have identity correctly could start vehicle.This Car Burglar Alarm theftproof performance is strong, and individual specificity is also strong, shortcoming be when finger injuries or stained after cannot start vehicle.
4, network type: this type of Car Burglar Alarm is the Car Burglar Alarm of location tracking via satellite, and scientific and technological content is higher, and theftproof performance is extremely strong, but price and maintenance cost are also all very high, under battery electric quantity is finished situation, theftproof performance lost efficacy, and the individual specificity of automobile is poor.
Summary of the invention
Not strong in order to overcome in prior art the individual specificity of automobile, the shortcomings such as Starting mode is single, the invention provides a kind of car alarm, this Car Burglar Alarm not only has higher anti-theft, individual specificity, and be provided with the emergency starting scheme of number of ways, automobile also can be started smoothly under multiple limiting case.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of composite type car alarm, be connected with automotive lock switch, wherein: described composite type car alarm comprises: fingerprint extraction module, remote control cipher transmitter module, remote control cipher receiver module, key-press module, relay module, memory device, micro controller system and be the power regulator module of whole Car Burglar Alarm power supply, described fingerprint extraction module, key-press module, memory device, remote control cipher receiver module carries out data with micro controller system respectively and is connected, described remote control cipher transmitter module carries out wireless signal with remote control cipher receiver module and is connected, described relay module and micro controller system carry out control linkage.
This programme is further, also comprises a loud speaker, and itself and micro controller system carry out control linkage.
This programme is further, and described micro controller system is connected with automotive lock switch by a photoelectrical coupler and an aerotron.
This programme is further, and described fingerprint extraction module adopts FM-180 fingerprint identification module.
This programme is further, and what described remote control cipher module adopted is 226,2/2,272 4 road universal type remote control modules, produces Si road remote signal and after four aerotrons carry out level conversion, is connected with described micro controller system respectively.
This programme is further, and described key-press module is a dynamic formula button.
This programme is further, and what described memory device adopted is AT24C02 storage chip, and what described power module adopted is 3R33 DC-to-DC conversion electric power Voltage stabilizing module.
The principle of the invention is: described automotive lock switch is divided into two grades (I, II shelves), in the time that automotive lock switch is got to II position, system enters fingerprint start-up mode, now car owner, from the prior finger print information having deposited in of fingerprint extraction module input, gets final product start the engine after the information of Single Chip Microcomputer (SCM) system contrast input is correct; Cannot input correct finger print information when hand is dirty, in the situation such as finger breakage or fingerprint extraction module damage time, automotive lock switch is got to I position, system enters emergency cryptosystem start-up mode, the password figure that now can set in advance by remote control cipher transmitter module input N position, gets final product start the engine after correct by the password of Single Chip Microcomputer (SCM) system contrast input after receiving by remote control cipher receiver module; Maybe cannot input finger print information when fingerprint extraction module is impaired, remote control cipher transmitter module does not have in electricity or malfunctioning situation simultaneously, automotive lock switch is got to I position, system enters emergency cryptosystem start-up mode, the key passwords that now can set in advance by hiding key-press module input N position, gets final product start the engine after the password of Single Chip Microcomputer (SCM) system contrast input is correct.
The invention has the beneficial effects as follows: by the individual specificity of fingerprint extraction module restricting vehicle; By remote control cipher or key passwords module emergency starting automobile, make automobile can pass through number of ways start the engine under emergency condition; Finger print information, remote control cipher and key passwords can arbitrarily be changed by car owner, allow automobile have good individual specificity and anti-theft; Circuit structure is simpler, and little to the change of automobile, price is lower, is suitable for the horizontal user of most ordinary consumption.
Accompanying drawing explanation
Fig. 1 is the integrated circuit schematic diagram of composite type car alarm of the present invention.
Fig. 2 is composite type car alarm integrated circuit connection diagram of the present invention.
Fig. 3 is composite type car alarm power regulator module schematic circuit diagram of the present invention.
Fig. 4 is composite type car alarm memory circuitry schematic diagram of the present invention.
Fig. 5 is composite type car alarm remote control cipher receiver module schematic circuit diagram of the present invention.
Fig. 6 is composite type car alarm relay module schematic circuit diagram of the present invention.
Fig. 7 is composite type car alarm automotive lock switch detection circuit schematic diagram of the present invention.
Fig. 8 is composite type car alarm key-press module Password Input of the present invention and LED indicating circuit schematic diagram.
Fig. 9 is composite type car alarm buzzer circuit schematic diagram of the present invention.
Figure 10 is composite type car alarm system program download interface schematic circuit diagram of the present invention.
Figure 11 is composite type car alarm fingerprint extraction module of the present invention and micro controller system junction circuit schematic diagram.
Wherein: 1, AT89S52 micro controller system; 2, AT24C02 storage chip; 3,3R33 DC-to-DC conversion electric power Voltage stabilizing module; 4, FM-180 fingerprint identification module; 5,226,2/2,272 4 road remote control cipher receiver modules; 6, relay module; 7, photoelectrical coupler; 8, loud speaker; 9, key-press module; 10, program download port.
The specific embodiment
Further describe the present invention referring to accompanying drawing and in conjunction with the specific embodiment, to make those skilled in the art can implement according to this with reference to specification sheets word, protection domain of the present invention is not limited to the specific embodiment of the present invention.
The invention provides a kind of composite type car alarm with fingerprint and emergency cryptosystem start-up performance, as shown in Figure 1-2, this Car Burglar Alarm comprises AT89S52 micro controller system 1, AT24C02 storage chip 2,3R33 DC-to-DC conversion electric power Voltage stabilizing module 3,226,2/2,272 4 road remote control cipher receiver modules 5, FM-180 fingerprint identification module 4, relay module 6, LED power light, loud speaker 8, photoelectrical coupler 7, key-press module 9, program download port 10; And annexation is as follows:
As shown in Figure 3; for 3R33 DC-to-DC conversion electric power Voltage stabilizing module 3 circuit connection diagrams; power supply is from J3 and J4 input; after D1, D2 unidirectional protection and capacitor C 5 filtering, enter 3R33 DC-to-DC conversion electric power Voltage stabilizing module; 5V voltage after lowering and stabilizing blood pressure is exported from OUT; enter protective tube J2, finally from VCC output, for whole anti-theft system provides stable operating voltage.R2 is voltage stabilizing parameter resistance, make 3R33 by voltage stabilization at 5V; C3 is filtering capacitance of voltage regulation; Z1 is secondary pressure protection diode, prevents that the high potential of exporting after 3R33 voltage regulation performance degenerates from burning out related elements below.
As shown in Figure 4, be AT24C02 storage chip 2 circuit connection diagrams, memory device AT24C02 is connected with micro controller system P0.0, P0.1, P0.2 respectively by three pins, the data storage work of completion system.R3, R4, R5 are pull-up resistor, and C4 is decoupling capacitance.
As shown in Figure 9, be loud speaker 8 junction circuits, loud speaker 8 is preferably buzzer phone, and buzzer phone SP1 is controlled by the P2.2 pin of micro controller system by aerotron Q2 emitting stage, and in the time that system powers on, buzzer phone can ring; In the time of input emergency cryptosystem, system can be responded input status by buzzer phone.
As shown in Figure 5, for remote control cipher receiver module circuit connection diagram, be preferably 226,2/2,272 4 road remote control cipher receiver modules 5, remote control cipher transmitter module is chosen and can be carried out with receiver module that wireless signal mates, 4 tunnel remote signals of 2262/2272 remote control cipher receiver module 5 are respectively after resistance R 6, R11, R12, R13, enter the base stage of aerotron Q1, Q4, Q3, Q5, after level conversion from the collecting electrode of each aerotron out, enter respectively P0.7, P0.6, P0.5, the P0.4 of micro controller system, form remote control cipher input circuit.For example: remote control cipher is ABCDACB, input this string password from remote control cipher transmitter module, after password of every input, wait after hearing the system response sound that buzzer phone sends and could input second password, after all passwords position is correctly inputted, can start vehicle.RR1 is exclusion, for four aerotrons provide collector resitance; RR2 is exclusion, for four aerotrons provide base resistance.
As shown in Figure 6, be relay module 6 circuit connection diagrams, the coil of relay is controlled by aerotron Q6, and the base stage of this aerotron is connected with micro controller system P2.1 through resistance R 14.Two controlled terminal J7 of relay and J9 can connect the circuit part of automobile, and the circuits such as such as automobile power source, oil circuit, motor reach the object of controlling automobile.D3 is the stream diode that continues, and R15 is Q6 base pull-up resistor, and C8, C9 are decoupling capacitance.
As shown in Figure 7, for automotive lock switch detection circuit connection diagram, its automotive lock is divided into two grades (I, II), in the time that key is turned round II position, power supply enters photoelectrical coupler U1(7 by R19), now the light-emitting diode of U1 inside is bright, light sensation end output low level signal, after R17 enters aerotron Q7 amplification, from emitter out, enter micro controller system P3.7 pin, select signal for system provides fingerprint pattern or cipher mode.
As shown in Figure 8, be emergence button module 9 Password Input circuit and LED indicating circuit, described key-press module 9 is some dynamic formula button S4.Button S4 one end ground connection, the other end connects micro controller system P2.5 pin.In the time that fingerprint and remote control cipher cannot start, can start vehicle by button S4 input N position password number, for example: emergence button password is 123, need be from first password number 1 of button S4 input, click, Deng hearing the system response sound sending from buzzer phone, input second password number 2, double-click, Deng hearing the system response sound sending from buzzer phone, input the 3rd password number 3, after the complete and system contrast password of three Password Inputs is correct, buzzer phone rings two sound, relay work simultaneously, corresponding automobile circuit is worked immediately, now can start automobile, button S4 can be hidden in automobile, and certain is difficult for found place, LED1 and R10 composition indicating circuit, the mode of operation of indicating system.
As shown in figure 10, also comprise a program download port 10, for connecting this Car Burglar Alarm and exterior PC equipment, facilitate subsequent software upgrading.
As shown in figure 11, be fingerprint extraction module and micro controller system junction circuit figure, fingerprint extraction module is preferably FM-180 fingerprint identification module 4, fingerprint strong adaptability, dry wet finger has good image quality, and applicable crowd is more extensive.FM-180 fingerprint identification module J5 is connected with P3.0 and the P3.1 of micro controller system by two communication pins, realizes communicating by letter of fingerprint module and micro controller system, and the finger print information of completion system transmits.Fingerprint module is arranged on the place of being convenient to input finger print information.IC3 is single chip computer AT 89S52, R1, R8, C1 and S5 composition reset circuit of SCM, and C2 is decoupling capacitance, Y1, C6, C7 form crystal oscillating circuit.
In the time that automotive lock switch is I position, anti-theft system obtains electric; If need fingerprint to start, automotive lock switch is got to II position, now connection terminal J10 obtains electric, photoelectrical coupler U1 the 4th pin output low level makes aerotron Q7 conducting, described micro controller system P3.7 pin level is dragged down, and system enters fingerprint start-up mode, after the information contrast that finger print information and the system of input have in advance coincide, micro controller system will be controlled buzzer phone and ring two sound starting relay, now can start vehicle.After start the engine, flame-out restart again before, need re-enter finger print information.
In the time that automotive lock switch is I position, anti-theft system obtains electric; If it is unsuccessful that fingerprint starts, can start by remote control or button emergency cryptosystem.If use remote control emergency cryptosystem to start, keeping automotive lock switch is I position, now connection terminal J10 does not have electric current to flow through, photoelectrical coupler U1 does not work, not conducting of aerotron Q7, described micro controller system P3.7 pin level keeps high level, system enters emergency cryptosystem start-up mode, now input correct remote control cipher from remote control cipher transmitter module, password number of every input, transmitter module is launched information to anti-theft system, when remote control cipher receiver module receives after information, by information process aerotron Q1, Q4, Q3, Q5 carries out level conversion and delivers to the IO mouth that described micro controller system is corresponding, micro controller system is controlled buzzer phone sound one sound after receiving the remote information of sending here, represent to receive successfully, after all remote control ciphers position is all launched and received, if password is correct, buzzer phone rings two sound, key is turned round to II position, and connection terminal J10 obtains electric, photoelectrical coupler U1 work, described micro controller system P3.7 pin is dragged down, and relay work, now gets final product start the engine,
If use ammonium key emergency cryptosystem to start, keep key in I position, input correct key passwords from hiding emergence button S4, password number of every input, need waiting system to respond, when hearing that buzzer phone rings after a sound, illustrative system reads in micro controller system by this password number, prepares to receive next bit password number.After the correct input of all password numbers, buzzer phone rings two sound, and automotive lock switch is got to II position, and connection terminal J10 obtains electric, photoelectrical coupler U1 work, and described micro controller system P3.7 pin is dragged down, and relay work, now gets final product start the engine.
In remote control cipher or key passwords emergency starting situation, as long as system there is not power-off, while restarting after engine off, do not need to re-enter password.Finger print information correlation parameter and emergency cryptosystem are kept in memory device AT2402 chip, can arbitrarily change, and system power failure data also can not be lost.
Claims (7)
1. a composite type car alarm, be connected with automotive lock switch, it is characterized in that: described composite type car alarm comprises: fingerprint extraction module, remote control cipher transmitter module, remote control cipher receiver module, key-press module, relay module, memory device, micro controller system and be the power regulator module of whole Car Burglar Alarm power supply, described fingerprint extraction module, key-press module, memory device, remote control cipher receiver module carries out data with micro controller system respectively and is connected, described remote control cipher transmitter module carries out wireless signal with remote control cipher receiver module and is connected, described relay module and micro controller system carry out control linkage.
2. composite type car alarm according to claim 1, is characterized in that: also comprise a loud speaker, itself and micro controller system carry out control linkage.
3. composite type car alarm according to claim 1, is characterized in that: described micro controller system is connected with automotive lock switch by a photoelectrical coupler and an aerotron.
4. composite type car alarm according to claim 1, is characterized in that: described fingerprint extraction module adopts FM-180 fingerprint identification module.
5. composite type car alarm according to claim 1, it is characterized in that: what described remote control cipher module adopted is 226,2/2,272 4 road universal type remote control modules, produce Si road remote signal and after four aerotrons carry out level conversion, be connected with described micro controller system respectively.
6. composite type car alarm according to claim 1, is characterized in that: described key-press module is a some dynamic formula button.
7. composite type car alarm according to claim 1, is characterized in that: what described memory device adopted is AT24C02 storage chip, and what described power module adopted is 3R33 DC-to-DC conversion electric power Voltage stabilizing module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410024716.5A CN103818352A (en) | 2014-01-20 | 2014-01-20 | Comprehensive car burglar alarm |
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| CN201410024716.5A CN103818352A (en) | 2014-01-20 | 2014-01-20 | Comprehensive car burglar alarm |
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| CN103818352A true CN103818352A (en) | 2014-05-28 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240682A (en) * | 2016-08-05 | 2016-12-21 | 广西理工职业技术学院 | A kind of composite type multidigit remote control cipher safety device of electric vehicle |
| CN107038787A (en) * | 2017-06-22 | 2017-08-11 | 合肥展游软件开发有限公司 | A kind of fingerprint lock control system |
| CN109969130A (en) * | 2019-04-18 | 2019-07-05 | 辽宁科大物联科技有限公司 | A kind of fingerprint unlocking apparatus with vehicle glass code keyboard |
| CN113928264A (en) * | 2021-10-20 | 2022-01-14 | 青海交通职业技术学院 | Keyless entry starting system for new energy automobile |
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| CN203753083U (en) * | 2014-01-20 | 2014-08-06 | 梁飘 | Comprehensive automobile burglar alarm |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240682A (en) * | 2016-08-05 | 2016-12-21 | 广西理工职业技术学院 | A kind of composite type multidigit remote control cipher safety device of electric vehicle |
| CN107038787A (en) * | 2017-06-22 | 2017-08-11 | 合肥展游软件开发有限公司 | A kind of fingerprint lock control system |
| CN109969130A (en) * | 2019-04-18 | 2019-07-05 | 辽宁科大物联科技有限公司 | A kind of fingerprint unlocking apparatus with vehicle glass code keyboard |
| CN113928264A (en) * | 2021-10-20 | 2022-01-14 | 青海交通职业技术学院 | Keyless entry starting system for new energy automobile |
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Application publication date: 20140528 |